Higher Plus
30th July 1953
- 1Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 2, one 5 units wide with density 1.4. How many values in total?
- 2Surds3 marks
Simplify sqrt(45) + sqrt(80), giving your answer in the form a sqrt(b).
- 3Factorising Harder Quadratics3 marks
Solve 6x^2 + 5x - 6 = 0.
- 4Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 2 m/s to 7 m/s over 10 seconds. Work out the acceleration.
- 53d Pythagoras and Trigonometry3 marks
A cuboid measures 13 cm by 9 cm by 6 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1953, including the monthly compilation PDF.